Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Denmark has twice as many pigs as there are people.
66
Early American humans hunted car-size armadillos and used their shells for houses.
12
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22